Race Tech Suspension Upgrade on a 1974 BMW R60 /6

Modern performance with Race Tech cartridge emulators and shocks

22. Race Tech suggests 5/8- to 1-inch of preload, meaning the amount the top nut will compress the spring. We measured the nut from its contact point with the spring to its sealing seat and got 0.825 inches (which was right in the ballpark for our desired preload), then measured from the top of the installed spring (fork fully extended) to the top of the yoke.
Photo by Landon Hall